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English 9 Public

Excretory system

Study Slideshow

Give reason: The skin is one of the excretory materials.

Because it gets rid of some excess salt and excess water in the form of sweat.

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They are waste materials formed inside inside the body cells and carried by the blood to special organs to get rid of them.

Excretory materials (cell wastes)

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The organs that get rid of urea and uric acid.

The two kidneys.

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The organs that get rid of carbon dioxide and water vapour.

The two lungs.

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The organs that get rid of excess salts and excess water.

Skin and the two kidneys.

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The skin secretes ................from special glands in the skin called ...................

sweat - sweat glands.

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The excretory materials are ...................... , .................. and ...................

Carbon dioxide , Nitrogenous wastes and excess salts and water.

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The indigested food stored in the large intestine until they pass out of the body.

Solid wastes.

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Give reason: Body cells release their wastes into blood.

Because blood Carries these wastes to special organs to get rid of them.

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